Ext.define('Admin.store.NaviTreeStore', {
	        extend : 'Ext.data.TreeStore',
	        model : 'Admin.model.Tree',

	        root : {
		        id : 0,
		        text : '',
		        level : Admin.Level.Unknown.name,
		        leaf : false
	        },

	        listeners : {
		        'beforeload' : function(store, operation, eOpts) {
			        var data = operation.node.data, params = {
				        id : data.id,
				        level : data.level
			        };
			        var parent = operation.node.parentNode;
			        if (parent) {
				        params = Ext.apply(params, {
					                parent : parent.data.id
				                });
			        }
			        Ext.apply(store.proxy.extraParams, params);
		        }
	        }

        });